Add conversational AI onboarding that generates a HARMONICA.md document
with 8 sections (About, Goals, Participants, Vocabulary, Prior Decisions,
Facilitation Preferences, Constraints, Success Patterns). Includes:

- DB migration (036) adding harmonica_md column to users table
- Onboarding chat API route with LLM-powered questionnaire
- OnboardingChat component (chatting → reviewing → saved flow)
- Settings editor tab with collapsible section cards
- Dashboard integration showing onboarding for new users
- Runtime injection into facilitation prompts via session owner lookup

Addresses HAR-16, HAR-17, HAR-18.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

upsertUser() was setting name from Auth0 on every login, reverting
any name the user had manually saved in Settings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Frosted glass card (white/60 + backdrop-blur) with amber border that
blends into the welcome banner gradient. Staggered entrance animation
for context hints (team, goals, preferences). Opens chat in dialog.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

router.push('/api/auth/logout') fails because Next.js client router
can't handle API routes that return HTTP redirects. Use full page
navigation instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Shows the claude mcp add-json command template with placeholder below
the keys table, always visible. Users no longer need to create a new
key just to see the install command format.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

The deleteUserAccount action was failing silently because api_keys and
session_ratings rows referencing the user weren't deleted before the
user record, likely hitting FK constraints.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Both the onboarding skip and connect-AI-tools dismiss flags were stored
with a fixed key, so skipping on one account would hide the banners for
all accounts in the same browser. Now keyed by Auth0 user sub.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

The initial LLM call with empty messages was failing (500) because
Anthropic requires at least one user message. Replaced with a hardcoded
greeting for instant response. Also fixed the logo aspect ratio —
image is 128x55, was forced to w-7 h-7 (square).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Block click-outside and Escape key from closing the dialog to prevent
losing in-progress onboarding chat. User can still close via the X
button intentionally.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

All references to oldspeak.notion.site (Help Center, Privacy Policy,
Beginners Guide) now point to the Mintlify docs site.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Add 7 custom events across signup-to-completion funnel to enable native
PostHog Funnels: user_signed_up, onboarding_completed, onboarding_skipped,
session_created, session_shared, participant_joined, session_completed.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Replace bare window.confirm() dialogs with an AlertDialog requiring users
to type "DELETE" before the button activates. Set a sessionStorage flag
during deletion to prevent InvitationProcessor from re-creating the user
via syncCurrentUser() during the feedback delay before logout.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Auth0's default logout only clears the Auth0 session but doesn't notify
identity providers. Adding federated logout tells Google/GitHub to forget
the account selection, so users see the account picker on next sign-in.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>